List of top Physics Questions asked in JKCET

The displacement of the body is given to be proportional to the cube of time elapsed. The magnitude of acceleration of body is
A boy of mass 50kg is standing on a frictionless surface. He throws a ball of mass 2kg away from him with a speed of 10m/s. Find the final speed of the centre of mass.
What may the cross product of two vectors be used for?
A ball tied at the end of a perfect string tied tightly (assume fixed) to a wooden bar at the other end is rotating with constant angular velocity. Its tangential velocity will
You lift a heavy book from the floor of the room and keep it in the bookshelf having a height of 2m. This process takes 5 seconds. The work done by you will depend on
The inherent property, with which a body resists any change in its state of motion is known as
A bus that is travelling straight makes an abrupt right turn. What will happen to those who are on board the bus?
What is the unit of measurement of solid angles?
A particle is moving with a constant speed along a straight-line path. A force is not required to
If the unit of force and length are doubled, the unit of energy will be
The earth?s mass is $ 80 $ times that of moon and their diameters are $ 1600 \,km $ and $ 800 \,km $ , respectively. If $ g $ is the value of acceleration due to gravity on earth, what is its value on moon?
A force $ F = 3x^2 + 2x + 1 $ acts on a body in the $ x $ -direction. The work done by this force during a displacement from $ x = -1 $ to $ +1 $ is
A moving block having mass $m$, collides with another stationary block having mass $4\,m$. The lighter block comes to rest after collision. When the initial velocity of the lighter block is $v$, then the value of coefficient of restitution (e) will be
The $ C.G.S. $ unit of magnetic field at a point, due to Biot-Savart law is
An electric bulb is rated $ 220\, V $ and $ 100\, W $ . What is the power consumed by it when operated on $ 110\, V $ ?
Which o f the following is true with respect to Rogers spiral experiment?
An example for the best source of monochromatic light is
What is the electric field at the centroid of an equilateral triangle of side length $ r $ , carrying charge $ q $ at each corner?
A refrigerator is to maintain eatables kept inside at $ 9 $ degree Celsius. If the room temperature is $ 36 $ degree Celsius, then what is the coefficient of performance?
Molecular weight of oxygen is $ 32\, amu $ . At $ STP $ , volume of $ 1\, gm $ of oxygen is $ 700 \,cm^3 $ . What is the value of gas constant $ R $ ?
What will be the potential at the centre of the sphere when a hollow metal sphere of radius $ 10\, cm $ is charged such that the potential on its surface is $ 80\, volts $ ?
If the heat of $ 110\,\,J $ is added to a gaseous system, whose internal energy is $ 40\,\,J $ , then the amount of external work done is:
A $ 1000\, kHz $ carrier wave is modulated by an audio signal of frequency range $ 600-6000 \,Hz $ . What is the bandwidth of the channel?
The dimensional formula of coefficient of viscosity can be expressed as $ M^a\, L^bT^c $ . What are the values of $ a $ , $ b $ and $ c $ .
A square loop of side $ 10\, cm $ and resistance $ 5 \,Ohm $ is placed vertically in East-West plane. A uniform magnetic field of $ 1 $ Tesla is set across the plane in North-East direction. The magnetic field becomes Zero in $ 700 $ ms at a steady rate. The magnitude of induced $ emf $ during this interval is